/Engine/Plugins/Runtime/RigVM/Source/RigVM/Public/RigVMCore/RigVMMemoryDeprecated.h
Returns the current address of the register within the data byte array. this can change over time - as the register is moving through slices. use GetFirstAllocatedByte to get the fixed first byte.
uint64 GetWorkByteIndex ( int32 InSliceIndex ) const